On Mon 25-02-19 10:40:07, Sahitya Tummala wrote:
> On Tue, Feb 19, 2019 at 02:53:02PM +0100, Jan Kara wrote:
> > One has to be really careful when using i_size like this. By the time the
> > transaction is committing, i_size could have been reduced from the value at
> > the time page writeback was
On Tue, Feb 19, 2019 at 02:53:02PM +0100, Jan Kara wrote:
> Hi!
>
> On Tue 19-02-19 15:50:23, stumm...@codeaurora.org wrote:
> > I am observing huge fsync latencies for a small file under the below test
> > scenario -
> >
> > process A -
> > Issue async write of 4GB using dd command (say
Hi!
On Tue 19-02-19 15:50:23, stumm...@codeaurora.org wrote:
> I am observing huge fsync latencies for a small file under the below test
> scenario -
>
> process A -
> Issue async write of 4GB using dd command (say large_file) on /data mounted
> with ext4:
> dd if=/dev/zero of=/data/testfile
Hi,
I am observing huge fsync latencies for a small file under the below
test scenario -
process A -
Issue async write of 4GB using dd command (say large_file) on /data
mounted
with ext4:
dd if=/dev/zero of=/data/testfile bs=1M count=4096
process B -
In parallel another process wrote a
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